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141228 = 22323923
BaseRepresentation
bin100010011110101100
321011201200
4202132230
514004403
63005500
71125513
oct423654
9234650
10141228
119711a
1269890
134c389
143967a
152bca3
hex227ac

141228 has 18 divisors (see below), whose sum is σ = 357084. Its totient is φ = 47064.

The previous prime is 141223. The next prime is 141233. The reversal of 141228 is 822141.

141228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (141223) and next prime (141233).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 141228.

It is not an unprimeable number, because it can be changed into a prime (141221) by changing a digit.

141228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1926 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (19838).

2141228 is an apocalyptic number.

141228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

141228 is an abundant number, since it is smaller than the sum of its proper divisors (215856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141228 is a wasteful number, since it uses less digits than its factorization.

141228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933 (or 3928 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 141228 is about 375.8031399550. The cubic root of 141228 is about 52.0763179173.

Adding to 141228 its sum of digits (18), we get a triangular number (141246 = T531).

Adding to 141228 its reverse (822141), we get a palindrome (963369).

The spelling of 141228 in words is "one hundred forty-one thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 3923 7846 11769 15692 23538 35307 47076 70614 141228